diff --git a/common/source/world/World.cpp b/common/source/world/World.cpp
index 604c20b6d..4d46830bb 100644
--- a/common/source/world/World.cpp
+++ b/common/source/world/World.cpp
@@ -31,9 +31,9 @@ bool World::isReloadRequested = false;
 
 Chunk *World::getChunkAtBlockPos(int x, int y, int z) const {
 	return getChunk(
-		std::floor((float)x / CHUNK_WIDTH),
-		std::floor((float)y / CHUNK_DEPTH),
-		std::floor((float)z / CHUNK_HEIGHT)
+		(x & -CHUNK_WIDTH)  / CHUNK_WIDTH,
+		(y & -CHUNK_DEPTH)  / CHUNK_DEPTH,
+		(z & -CHUNK_HEIGHT) / CHUNK_HEIGHT
 	);
 }